Removed vault by mistake

I tried to password protect my files which were put in the vault.  I removed it by mistake.  How can I recreate a vault as I see,  after logged in, only “USB Flah Drive” which has nothing?

Download SecureAccess from SanDisk, copy it to the flash drive, then run it.

http://kb.sandisk.com/app/answers/detail/a_id/2399/